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Type: Journal article
Title: Dispersion equalisation in few-mode fibres
Author: Riesen, N.
Love, J.D.
Citation: Optical and Quantum Electronics, 2011; 42(9-10):577-585
Publisher: Springer US
Publisher Place: USA
Issue Date: 2011
ISSN: 0306-8919
Conference Name: 35th Australian Conference on Optical Fibre Technology (ACOFT) (05 Dec 2010 - 09 Dec 2010 : Melbourne, Victoria)
Statement of
Nicolas Riesen and John D. Love
Abstract: Dispersion equalisation of the modes of cylindrically symmetric few-mode optical fibres is investigated using equivalent planar waveguide representations. A numerical analysis based on the Characteristic Matrix Method has identified what we believe to be the first practical three-mode fibre with zero intermodal dispersion. This implies that the group velocities of each of the fibre’s three linearly polarized modes are equivalent. Dispersion equalisation is also confirmed in a power-law profile, as well as a novel two-mode fibre which operates within the third telecommunications windows. These few-mode fibres could potentially be used for long-haul telecommunications data links. In the case where the modes are not distinguished and are equally excited, the few-mode fibres could be used as larger core-radius alternatives to traditional single-mode fibres. If the modes are distinguished, each mode could in theory be considered an independent data channel. All modal data channels would be equivalent for such dispersion-free few-mode fibres, notwithstanding differences in intramodal dispersion and mode crosstalk.
Keywords: Dispersion equalisation
Few-mode optical fibres
Intermodal dispersion
Scalar wave equation
Segmented core fibre
Rights: © Springer Science+Business Media, LLC. 2011
DOI: 10.1007/s11082-011-9480-9
Appears in Collections:Aurora harvest 2
Chemistry and Physics publications

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